(b).

	Dyskinesias		Motor fluctuations		Off-state dystonias
	No	Yes	No	Yes	No	Yes
	n = 236	n = 31	n = 237	n = 30	n = 251	n = 16
(1.1) Cognitive impairment	73.4%	80.6%	73.8%	80.0%	74.1%	81.2%
(1.2) Hallucinations and psychoses	12.2%	25.8%∗	12.2%	26.7%∗	13.1%	25.0%
(1.3) Depressed mood	57.4%	87.1%∗	57.4%	90.0%∗	58.6%	100.0%∗∗∗
(1.4) Anxious mood	55.3%	64.5%	55.3%	63.3%	55.8%	62.5%
(1.5) Apathy	46.6%	38.7%	45.8%	43.3%	45.2%	50.0%
(1.6) ICDs	6.8%	16.1%	6.3%	16.7%	6.8%	18.8%
(1.7) Nighttime sleep problems	70.0%	83.9%	68.8%	93.3%∗	70.1%	93.8%∗
(1.8) Daytime sleepiness	59.5%	80.6%∗	58.6%	86.7%∗	60.6%	81.2%
(1.9) Pain	64.4%	66.7%	65.7%	58.6%	64.7%	68.8%
(1.10) Urinary problems	70.9%	77.4%	70.9%	76.7%	72.1%	62.5%
(1.11) Constipation problems	58.2%	58.1%	57.4%	63.3%	58.2%	56.2%
(1.12) Lightheadedness on standing	52.7%	48.4%	52.7%	50.0%	53.8%	31.2%
(1.13) Fatigue	66.9%	83.9%	66.9%	83.3%	67.2%	93.8%∗

  ^∗ p < 0.05; ^∗∗ p < 0.01; ^∗∗∗ p < 0.001.

Chi-squared test for all the differences in the frequency of individual nonmotor symptoms.

ICDs: impulse control disorders.